nir: Add compute shader shared variable storage class

Previously we were receiving shared variable accesses via a lowered
intrinsic function from glsl. This change allows us to send in
variables instead. For example, when converting from SPIR-V.

Signed-off-by: Jordan Justen <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index 34f31eb9859..7d2bd03c914 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -90,6 +90,7 @@ typedef enum {
    nir_var_shader_storage,
    nir_var_system_value,
    nir_var_param,
+   nir_var_shared,
 } nir_variable_mode;
 
 /**
@@ -172,7 +173,7 @@ typedef struct nir_variable {
        *
        * \sa nir_variable_mode
        */
-      nir_variable_mode mode:4;
+      nir_variable_mode mode:5;
 
       /**
        * Interpolation mode for shader inputs / outputs
@@ -1660,6 +1661,9 @@ typedef struct nir_shader {
    /** list of outputs (nir_variable) */
    struct exec_list outputs;
 
+   /** list of shared compute variables (nir_variable) */
+   struct exec_list shared;
+
    /** Set of driver-specific options for the shader.
     *
     * The memory for the options is expected to be kept in a single static